Cheap flights from Chicago to Baltimore from $151 MDW, ORD, RFD → BWI

Found recently, and the cheapest we hold

What have prices looked like?

Over 49 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $63 to $256.

At $260, the cheapest return found recently is above that range.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

We hold no other 2-night return fares leaving within 3 days of 18 Dec to compare.

Every date we hold

73 fares on 6 departure dates

Which month looks cheapest?

November 2026 is the cheapest month — from $168.

Found recently, and the cheapest we hold

What have prices looked like?

Over 49 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $32 to $98.

At $151, the cheapest one-way found recently is above that range.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

We hold no other one-way fares leaving within 3 days of 21 Nov to compare.

Every date we hold

29 fares on 3 departure dates

Which month looks cheapest?

February 2027 is the cheapest month — from $98.

Return

Fares 14 to 29 days before departure were typically 46% lower than 0 to 6 days before departure.

From the cheapest return each day between 24 Sept and 11 Nov (49 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

One-way

Fares 14 to 29 days before departure were typically 11% lower than 7 to 13 days before departure.

From the cheapest one-way each day between 24 Sept and 11 Nov (49 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

How much is a return flight from Chicago to Baltimore?

The cheapest return found recently is $260 with Frontier Airlines, 18 Dec to 20 Dec, found 3 days ago. The cheapest return we hold, of any age, is $168 with Frontier Airlines, 25 Nov to 26 Nov, found 7 days ago. The cheapest return fare on each of 6 departure dates is usually $199 to $252.

How much is a one-way flight from Chicago to Baltimore?

The cheapest one-way found recently is $151 with Frontier Airlines, 21 Nov, found 2 days ago. The cheapest one-way we hold, of any age, is $98 with Frontier Airlines, 10 Feb 2027, found 5 days ago. The cheapest one-way fare on each of 3 departure dates is usually $113 to $140.

What is the cheapest month to fly from Chicago to Baltimore?

November 2026 is the cheapest month for a return, from $168, 25 Nov to 26 Nov, found 7 days ago. February 2027 is the cheapest month for a one-way, from $98, 10 Feb 2027, found 5 days ago.

How far ahead should I book a flight from Chicago to Baltimore?

In 49 days of prices between 24 Sept and 11 Nov, return fares 14 to 29 days before departure were typically 46% lower than 0 to 6 days before departure. One-way fares 14 to 29 days before departure were typically 11% lower than 7 to 13 days before departure.

Is there a direct flight from Chicago to Baltimore?

Yes, the cheapest nonstop return found recently is $269 with Frontier Airlines, 18 Dec to 20 Dec, found 3 days ago. The cheapest nonstop one-way found recently is $195 with Frontier Airlines, 21 Nov, found 2 days ago.

How long is the flight from Chicago to Baltimore?

The cheapest nonstop one-way found recently, with Frontier Airlines on 21 Nov, takes 2 h 10 min from O'Hare International Airport (ORD) to Baltimore/Wash International Thurgood Marshall Airport (BWI). The cheapest one-way found recently, with Frontier Airlines on 21 Nov, takes 6 h 16 min with 1 stop.

Which airlines have the cheapest flights from Chicago to Baltimore?

Between 25 Nov and 3 Jan 2027, Frontier Airlines has the cheapest return on all 6 departure dates we hold. Between 21 Nov and 18 Feb 2027, Frontier Airlines has the cheapest one-way on all 3 departure dates we hold.